INTEODUOTION. XUI Geographical Distribution of the Species of Birds of Mexico and Central America ^. Vol. I. TnEDIDJS. Catharus melpomene alticola frantzii occidentalis ¦ fuscater griseiceps gracilirostris • mexicanus dryas Turdus mustelinus .. ¦ fuscescens swainsoni ¦ustulatus - alicise ¦ pallasi ¦ auduboni — tristis — leucauchen.. • pleheius • grayi - obsoletus - migratorius .. -flavirostris .. ¦ rufitorques . - pinicola - infuscatus nigrescens Galeoscoptes carolinensis .. Melanoptila glabrirostris .. Melanotis cserulescens hypoleucus Harporhynchus longirostris ocellatus curvirostris graysoni .; Mimus polyglottus gilvus Rhodinocichla rosea Myiadectes obscurus unicolor melanops ClNCLID.a. Oinclus mexicanus ardesiacus Sylviid^. Sialia sialis mexicana Regulus satrapa .. calendula Polioptila cserulea., nigriceps bilineata albiloris PAKIDiE. Lophophanes atricristatus wollweberi Parus meridionalis Psaltriparus melanotis Auripar us flaviceps ^ * ¦gcQ Old World, &c. N.E. Asia. General Remarks. A genus occurring throughout Colombia, Vene¬ zuela, Ecuador, Peru, and Bolivia. Bahama Is. Genus peculiar to Central America. Genus peculiar to Central America. Peculiar to Socorro I. Genus extending to Galapago Is. Genus occurring also in S. America and W. Indies. Genus also found in the S.-American Andes and in the mountains of the Old World. [to Nicaragua. Bermuda. A N.-American genus extending south Genus also represented in the Old World Bahama Is. Genus also found in the Old W^orld. [confined to the high mountains. Genus also found in the Old World: in Mexico Genus also represented in N. America. Lower California. The dagger (t) indicates that specimens were subsequently sent us from these districts.